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  • freemarker中的substring取子串

    freemarker中的substring取子串


    1、substring取子串介绍

    (1)表达式?substring(from,to)

    (2)当to为空时,默认的是字符串的长度

    (3)from是第一个字符的开始索引,to最后一个字符之后的位置索引


    2、举例说明

         <#--freemarker中的substring取子串-->
         
         ${'EFGHIJKL'?substring(0)}
         ${'EFGHIJKL'?substring(1)}
         ${'EFGHIJKL'?substring(2)}
         ${'EFGHIJKL'?substring(3)}
         ${'EFGHIJKL'?substring(4)}
         ${'EFGHIJKL'?substring(5)}
         ${'EFGHIJKL'?substring(6)}
         ${'EFGHIJKL'?substring(7)}
         ${'EFGHIJKL'?substring(8)}
         
         ${'EFGHIJKL'?substring(0,1)}
         ${'EFGHIJKL'?substring(0,2)}
         ${'EFGHIJKL'?substring(0,3)}
         ${'EFGHIJKL'?substring(0,4)}
         ${'EFGHIJKL'?substring(0,5)}
         ${'EFGHIJKL'?substring(0,6)}
         ${'EFGHIJKL'?substring(0,7)}
         ${'EFGHIJKL'?substring(0,8)}

    3、示例结果

         EFGHIJKL
         FGHIJKL
         GHIJKL
         HIJKL
         IJKL
         JKL
         KL
         L
         
         
         E
         EF
         EFG
         EFGH
         EFGHI
         EFGHIJ
         EFGHIJK
         EFGHIJKL


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  • 原文地址:https://www.cnblogs.com/hzcya1995/p/13315062.html
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